This serum cools down skin temperature & deeply moisturizes skin. Formulated with 11-layers Hyaluronic Acid & Ectoin it delivers a rich & longlasting hydration to the skin. Ceramide maintains a healthy skin barrier & locks moisture in the skin. Effectively reduces skin temperature in just one-time use. Ceramide flakes moisture lock & barrier strength Restore skin's barrier Replenish deep-to-surface moisture Strengthen skin against stressors